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X-Therma Inc.

Richmond, US · Founded 2014 · Delaware corporation · 31 employees on LinkedIn · 4 known investors

X-Therma develops a proprietary peptoid-based technology that inhibits ice crystal formation to enable long-term sub-zero preservation and transport of cells, tissues, organs, and other biologics. Its products, including the XT-ViVo preservation solution and TimeSeal organ transport device, target organ and biologic preservation for transplantation.

Founders & leadership

X-Therma Inc. was founded in 2014 by Xiaoxi Wei and Mark Kline.

XWXiaoxi Wei
Xiaoxi WeiFounder & CEO
MK
Mark KlineinCo-founder
JW
Johannes WeggemannNamed on SEC filing

Investors · 4

Reported raises · per SEC filings

Form D private placements

$35.4M disclosed across 3 rounds · 2021–2024

$22.4MraisedMar 2024 · 39 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Johannes WeggemannExecutive Officer, Director
  • Xiaoxi WeiExecutive Officer, Director
  • Mark KlineExecutive Officer, Director
  • James GreenwoodDirector
Offering amount
$22.4M
Amount sold
$22.4M
Minimum investment
$20K
First sale
Mar 2024
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$2.6MraisedDec 2021 · 20 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Mark KlineExecutive Officer, Director
  • Xiaoxi WeiExecutive Officer, Director
  • Johannes WeggemannDirector
Offering amount
$2.6M
Amount sold
$2.6M
Minimum investment
$10.4K
First sale
Dec 2021
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$10.4MraisedNov 2021 · 20 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Johannes WeggemannDirector
  • Xiaoxi WeiExecutive Officer, Director
  • Mark KlineExecutive Officer, Director
Offering amount
$10.4M
Amount sold
$10.4M
Minimum investment
$25K
First sale
Oct 2021
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 4

by search overlap

Companies competing with X-Therma Inc. for the same Google search keywords, organic and paid, via search-intersection analysis.

Non-dilutive funding · 9 SBIR/STTR awards

Federal grants — no equity taken
AgencyPhaseYearAmount
National Institutes of Health (NIH)National Institutes of HealthPhase II2023$971.2K
National Science FoundationPhase II2018$743.3K
U.S. ArmyArmyPhase II2017$999.8K
Department of DefenseDefense Health ProgramPhase II2017$999K
U.S. ArmyArmyPhase I2017$149.9K
Department of DefenseDefense Health ProgramPhase II2016$999.9K
National Science FoundationPhase I2016$225K
Department of DefenseDefense Health ProgramPhase I2016$154.6K
Department of DefenseDefense Health ProgramPhase I2015$150K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Frequently asked questions

What does X-Therma Inc. do?
X-Therma develops a proprietary peptoid-based technology that inhibits ice crystal formation to enable long-term sub-zero preservation and transport of cells, tissues, organs, and other biologics. Its products, including the XT-ViVo preservation solution and TimeSeal organ transport device, target organ and biologic preservation for transplantation.
Who founded X-Therma Inc.?
X-Therma Inc. was founded by Xiaoxi Wei, Mark Kline in 2014.
Who are X-Therma Inc.'s investors?
X-Therma Inc.'s investors include Aurum Venture Partners, Dellin Investments, VU Venture Partners, Zen11 Holding.
How much funding has X-Therma Inc. raised?
X-Therma Inc. has disclosed $35.4M raised across 3 rounds.
Where is X-Therma Inc. headquartered?
X-Therma Inc. is headquartered in Richmond, US.
X-Therma Inc. — Investors & Founders | Fundraising Fox